The name Carleton is a boy's name of English origin meaning "settlement of free men". Carleton and is often added to lists like Names That Mean Freedom and discussed in our forums with posts like "Pick 5 (BOYS)".
From the experts:
Carleton has a great meaning behind it, and should really have more popularity than it has found to date. You can shorten it to Carl or keep it upscale and formal in the longer form. Baseball Hall of Fame catcher Carlton Fisk lends the name some sporty credentials, while American artist Carleton Wiggins confirms this name's Victorian earnestness.